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Items | Specifications | Results |
Appearance | White crystals or crystalline powder | Conforms |
pH | 5.2~6.2 | 5.72 |
Specific rotation | -13.5°~-16.0° | -15.25° |
State of solution | ≥95.0% | 98.50% |
Ammonium(NH4) | ≤0.02% | <0.02% |
Iron(Fe) | ≤10ppm | <10ppm |
Arsenic(As2O3) | ≤1ppm | <1ppm |
Heavy metals, as Pb | ≤10ppm | <10ppm |
Loss on drying | ≤0.25% | 0.08% |
Residue on ignition | ≤0.10% | 0.06% |
Assay | 98.5%~100.5% | 99.67% |
Q1: May I get one sample before placing order?
Re: Yes, Sample are available. For normal products, samples are for free and you just need to bear the freight;
For those high value products, you just need to freight and certain product cost. When we both cooperate for
some times or when you are our VIP customer, free sample will be offered when you need.
Q2: Which payment is available for your company?
Re: T/T, L/C. You can choose the one which is convenient for you.
Q3: How and when can I get my goods after payment?
Re: For small quantity products, they will be delivered to you by international courier(DHL, FedEx, TNT etc.)
or by air. Usually it will cost 3-5days that you can get the goods after delivery.For large quantity products,
shipping by see is worthwhile.It will cost days to weeks to come to your destination port, which depends on
where the port is.
Q4: Is there any possible to use my appointed label or package?
Re: Yes. If needed, we'd like to use label or package according to your requirement.
Q5: How can you guarantee the goods you offer is qualified?
Re: We always believe honesty and responsibility are basis of one company, so whatever products we provide
for you all are qualified. We will have goods tested and provide COA before delivery for sure.
Items | Specifications | Results |
Appearance | White crystals or crystalline powder | Conforms |
pH | 5.2~6.2 | 5.72 |
Specific rotation | -13.5°~-16.0° | -15.25° |
State of solution | ≥95.0% | 98.50% |
Ammonium(NH4) | ≤0.02% | <0.02% |
Iron(Fe) | ≤10ppm | <10ppm |
Arsenic(As2O3) | ≤1ppm | <1ppm |
Heavy metals, as Pb | ≤10ppm | <10ppm |
Loss on drying | ≤0.25% | 0.08% |
Residue on ignition | ≤0.10% | 0.06% |
Assay | 98.5%~100.5% | 99.67% |
Q1: May I get one sample before placing order?
Re: Yes, Sample are available. For normal products, samples are for free and you just need to bear the freight;
For those high value products, you just need to freight and certain product cost. When we both cooperate for
some times or when you are our VIP customer, free sample will be offered when you need.
Q2: Which payment is available for your company?
Re: T/T, L/C. You can choose the one which is convenient for you.
Q3: How and when can I get my goods after payment?
Re: For small quantity products, they will be delivered to you by international courier(DHL, FedEx, TNT etc.)
or by air. Usually it will cost 3-5days that you can get the goods after delivery.For large quantity products,
shipping by see is worthwhile.It will cost days to weeks to come to your destination port, which depends on
where the port is.
Q4: Is there any possible to use my appointed label or package?
Re: Yes. If needed, we'd like to use label or package according to your requirement.
Q5: How can you guarantee the goods you offer is qualified?
Re: We always believe honesty and responsibility are basis of one company, so whatever products we provide
for you all are qualified. We will have goods tested and provide COA before delivery for sure.
